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Urban Street Planting Scenarios Simulation for Micro-scale Urban Heat Island Effect Mitigation in Seoul

  • Journal of Environmental Impact Assessment
  • Abbr : J EIA
  • 2019, 28(1), pp.23-34
  • Publisher : Korean Society Of Environmental Impact Assessment
  • Research Area : Engineering > Environmental Engineering

You Jin Kwon ORD ID 1 Lee, Dong Kun ORD ID 1 Saekyul Ahn ORD ID 1

1서울대학교

Accredited

ABSTRACT

Global warming becomes a serious issue that poses subsidiary issues like a sea level rise or a capricious climate over the world. Because of severe heat-wave of the summer in Korea in 2016, a big attention has been focused on urban heatisland since then. Notjust about heat-wave itself, many researches have been concentrated on how to adapt in this trendy warming climate and weatherin a small scope. A big part of existing studies is mitigating “Urban Heat Island effect” and that is because of huge impervious surface in urban area where highly populated areas do diverse activities. It is a serious problem thatthis thermal context has a high possibility causing mortality by heat vulnerability. However, there have been many articles of a green infrastructures’ cooling impact in summer. This research pays attention to measure cooling effect of a street planting considering urban canyon and type of green infrastructures in neighborhood scale. This quantitative approach was proceeded by ENVI-met simulation with a spatial scope of a commercial block in Seoul, Korea. We found the dense double-row planting is more sensitive to change in temperature than that of the single-row. Among the double-row planting scenarios, shrubs which have narrow space between the plant and the land surface were found to store heat inside during the daytime and prevent emitting heat so as to have a highertemperature at night. The quantifying an amount of vegetated spaces’ cooling effectresearch is expected to contribute to a study of the cost and benefit for the planting scenarios’ assessment in the future.

Citation status

* References for papers published after 2023 are currently being built.